North Korean nukes – back to the future?

The seriousness of the North Korean nuclear threat depends on where you live. Clearly, South Korea has every right to be concerned: the decades-long quasi-war on the Demilitarized Zone (DMZ) and the Northern Limit Line with attacks against ships; commando raids against vital targets, including a nuclear reactor; and a vulnerable national capital that is inside conventional artillery range. It does not require a PhD in international relations to understand fear of nuclear escalation in such an en